Solving subtraction problems using Equal Adjustment as a Strategy! - Damon and Brock.

Problem:

Janine donated 125 biscuits to the school gala.They sell 76 biscuits. How many biscuits are left?

Step 1: Read the problem.

Step 2: Put it in a maths equation: 125 - 76 =........

Step 3: Choose a strategy: Equal Adjustment.

Step 4: Solve the problem.

        (125 + 4) - (76 + 4)  = ______

        129 - 80 = 49

Learning Tip: Always change/round the second number.